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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Resistors (GCSE Physics)

The following is a GCSE Physics test covering 'Resistors' from the broader topic Electricity. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which statement about resistors in series is correct?
A circuit has two identical resistors in parallel across a battery. What is the effect on total current if one resistor is removed (open-circuited)?
Two resistors, 4 O and 6 O, are connected in series. What is the total resistance?
A 5 O resistor dissipates 20 W of power. What is the current through it?
Which factor decreases the resistance of a metal wire at constant temperature?
A wire’s resistance depends on its length. If the length of a uniform wire is doubled while keeping other factors constant, what happens to its resistance?
A resistor has a potential difference of 12 V across it and a current of 0.3 A through it. What is the resistance?
Which effect will increasing temperature usually have on the resistance of a metal conductor?
Which material change will decrease a wire’s resistance at constant length and temperature?
A filament lamp has a resistance of 50 O and a current of 0.20 A through it. What is the power dissipated in the lamp?
Using P = I^2 R, if current doubles through a resistor, how does the power change?